Soil conditioning material with ecological restoration function for degraded agricultural land and production method thereof
A technology for ecological restoration and arable land, which is applied in the direction of soil conditioning materials, chemical instruments and methods, organic fertilizers, etc., can solve problems such as thermal insulation, decreased moisture retention, livestock and poultry feces pollution, and effects on the extension of crop root systems in farmland mechanical farming. The use of mulch film, reducing the use of pesticides, and promoting the effect of returning to the field efficiently
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[0027] Example 1: Production of soil conditioning materials with ecological restoration function of degraded farmland
[0028] (1) The straw material is crushed into 40-60 mesh material and mixed with livestock and poultry manure in a weight ratio of 1:3, which is called A1 material.
[0029] (2) After pretreatment, peat, coal slime, diesel coal, and lignite are powdered into 40-80 mesh pellets and mixed at a weight ratio of 1:1.8:1.5:1.1, which is called A2 feed. In this step, fly ash can also be added to the A2 material, and the addition amount is 2%wt.
[0030] (3) Mix the above-mentioned A1 material and A2 material according to the ratio of 1:0.1-0.3 (in this embodiment, 1:0.2).
[0031] (4) After dissolving phosphogypsum, which is the waste material of phosphorus chemical industry, in water above 80℃, the dissolved phosphogypsum is called A3 material (concentration control range 30-80%wt), and then the A3 material is quickly adjusted to 8%wt. Add to the mixture of A1 and A2 to c...
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[0035] Example 2: Use method of soil conditioning material with ecological restoration function of degraded farmland
[0036] The soil adjusting material with the function of ecological restoration of degraded farmland can be used as base fertilizer or topdressing. According to the fertility of the land, 80-160 kg of fertilizer is generally applied per mu. It can be used as a base fertilizer for spreading, strip (ditch) application and hole application.
[0037] 1. Spreading: Spreading is to spread fertilizer evenly in the soil. Spreading can be deep or superficial (shallow application). The technique of deep application is to plow into the lower layer of the soil after sprinkling (the depth is not more than 20 cm is better), and only use a rake for surface application. Spreading is suitable for densely planted crops such as wheat, barley, and grass. The advantage of spreading is that it is simple, and all parts of the soil are absorbed by the crop; the disadvantage is that the...
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